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Code Issues 1 Projects Releases Wiki Activity

legacyresample: remove legacy plugin

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This commit is contained in:
Tim-Philipp Müller 2012-06-12 19:06:51 +01:00
parent c1facd0c36
commit 588ea345b2
22 changed files with 1 additions and 3306 deletions
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2
Android.mk
View file

@ -42,7 +42,6 @@ GST_PLUGINS_BAD_BUILT_SOURCES := \
gst/mxf/Android.mk \
gst/cdxaparse/Android.mk \
gst/mpegpsmux/Android.mk \
gst/legacyresample/Android.mk \
gst/gaudieffects/Android.mk \
gst/liveadder/Android.mk \
gst/nsf/Android.mk \
@ -137,7 +136,6 @@ CONFIGURE_TARGETS += gst-plugins-bad-configure
-include $(GST_PLUGINS_BAD_TOP)/gst/mxf/Android.mk
-include $(GST_PLUGINS_BAD_TOP)/gst/cdxaparse/Android.mk
-include $(GST_PLUGINS_BAD_TOP)/gst/mpegpsmux/Android.mk
-include $(GST_PLUGINS_BAD_TOP)/gst/legacyresample/Android.mk
-include $(GST_PLUGINS_BAD_TOP)/gst/gaudieffects/Android.mk
-include $(GST_PLUGINS_BAD_TOP)/gst/liveadder/Android.mk
-include $(GST_PLUGINS_BAD_TOP)/gst/nsf/Android.mk

4
configure.ac
View file

@ -315,7 +315,7 @@ GST_PLUGINS_NONPORTED=" aiff \
dccp faceoverlay festival \
fieldanalysis freeverb freeze frei0r \
hdvparse id3tag inter interlace ivfparse jpegformat jp2kdecimator \
kate liveadder legacyresample librfb mpegtsmux \
kate liveadder librfb mpegtsmux \
mpegpsmux mve mxf mythtv nsf nuvdemux \
patchdetect pnm real \
sdi siren speed subenc stereo tta videofilters \
@ -361,7 +361,6 @@ AG_GST_CHECK_PLUGIN(interlace)
AG_GST_CHECK_PLUGIN(ivfparse)
AG_GST_CHECK_PLUGIN(jp2kdecimator)
AG_GST_CHECK_PLUGIN(jpegformat)
AG_GST_CHECK_PLUGIN(legacyresample)
AG_GST_CHECK_PLUGIN(librfb)
AG_GST_CHECK_PLUGIN(liveadder)
AG_GST_CHECK_PLUGIN(mpegdemux)
@ -1974,7 +1973,6 @@ gst/interlace/Makefile
gst/ivfparse/Makefile
gst/jp2kdecimator/Makefile
gst/jpegformat/Makefile
gst/legacyresample/Makefile
gst/librfb/Makefile
gst/liveadder/Makefile
gst/mpegdemux/Makefile

1
docs/plugins/Makefile.am
View file

@ -159,7 +159,6 @@ EXTRA_HFILES = \
$(top_srcdir)/gst/geometrictransform/gstwaterripple.h \
$(top_srcdir)/gst/ivfparse/gstivfparse.h \
$(top_srcdir)/gst/jpegformat/gstjpegparse.h \
$(top_srcdir)/gst/legacyresample/gstlegacyresample.h \
$(top_srcdir)/gst/liveadder/liveadder.h \
$(top_srcdir)/gst/mxf/mxfdemux.h \
$(top_srcdir)/gst/mxf/mxfmux.h \

1
docs/plugins/gst-plugins-bad-plugins-docs.sgml
View file

@ -71,7 +71,6 @@
<xi:include href="xml/element-kateparse.xml" />
<xi:include href="xml/element-katetag.xml" />
<xi:include href="xml/element-ladspa.xml" />
<xi:include href="xml/element-legacyresample.xml" />
<xi:include href="xml/element-liveadder.xml" />
<xi:include href="xml/element-marble.xml" />
<xi:include href="xml/element-mimenc.xml" />

14
docs/plugins/gst-plugins-bad-plugins-sections.txt
View file

@ -749,20 +749,6 @@ GST_TYPE_JPEG_PARSE
gst_jpeg_parse_get_type
</SECTION>
<SECTION>
<FILE>element-legacyresample</FILE>
<TITLE>legacyresample</TITLE>
GstLegacyresample
<SUBSECTION Standard>
GstLegacyresampleClass
GST_LEGACYRESAMPLE
GST_LEGACYRESAMPLE_CLASS
GST_IS_LEGACYRESAMPLE
GST_IS_LEGACYRESAMPLE_CLASS
GST_TYPE_LEGACYRESAMPLE
gst_legacyresample_get_type
</SECTION>
<SECTION>
<FILE>element-liveadder</FILE>
<TITLE>liveadder</TITLE>

34
docs/plugins/inspect/plugin-legacyresample.xml
View file

@ -1,34 +0,0 @@
<plugin>
<name>legacyresample</name>
<description>Resamples audio</description>
<filename>../../gst/legacyresample/.libs/libgstlegacyresample.so</filename>
<basename>libgstlegacyresample.so</basename>
<version>0.10.23.1</version>
<license>LGPL</license>
<source>gst-plugins-bad</source>
<package>GStreamer Bad Plug-ins git</package>
<origin>Unknown package origin</origin>
<elements>
<element>
<name>legacyresample</name>
<longname>Audio scaler</longname>
<class>Filter/Converter/Audio</class>
<description>Resample audio</description>
<author>David Schleef &lt;ds@schleef.org&gt;</author>
<pads>
<caps>
<name>sink</name>
<direction>sink</direction>
<presence>always</presence>
<details>audio/x-raw-int, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)16, depth=(int)16, signed=(boolean)true; audio/x-raw-int, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)32, depth=(int)32, signed=(boolean)true; audio/x-raw-float, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)32; audio/x-raw-float, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)64</details>
</caps>
<caps>
<name>src</name>
<direction>source</direction>
<presence>always</presence>
<details>audio/x-raw-int, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)16, depth=(int)16, signed=(boolean)true; audio/x-raw-int, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)32, depth=(int)32, signed=(boolean)true; audio/x-raw-float, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)32; audio/x-raw-float, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)64</details>
</caps>
</pads>
</element>
</elements>
</plugin>

1
gst-plugins-bad.spec.in
View file

@ -228,7 +228,6 @@ make ERROR_CFLAGS='' ERROR_CXXFLAGS=''
# %{_libdir}/gstreamer-%{majorminor}/libgstid3tag.so
# %{_libdir}/gstreamer-%{majorminor}/libgstivfparse.so
# %{_libdir}/gstreamer-%{majorminor}/libgstjpegformat.so
# %{_libdir}/gstreamer-%{majorminor}/libgstlegacyresample.so
# %{_libdir}/gstreamer-%{majorminor}/libgstliveadder.so
%{_libdir}/gstreamer-%{majorminor}/libgstmpegdemux.so
# %{_libdir}/gstreamer-%{majorminor}/libgstmve.so

35
gst/legacyresample/Makefile.am
View file

@ -1,35 +0,0 @@
plugin_LTLIBRARIES = libgstlegacyresample.la
resample_SOURCES = \
functable.c \
resample.c \
resample_functable.c \
resample_ref.c \
resample.h \
buffer.c
noinst_HEADERS = \
gstlegacyresample.h \
functable.h \
debug.h \
buffer.h
libgstlegacyresample_la_SOURCES = gstlegacyresample.c $(resample_SOURCES)
libgstlegacyresample_la_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS) $(GST_CFLAGS)
libgstlegacyresample_la_LIBADD = $(GST_BASE_LIBS) $(GST_LIBS) $(LIBM)
libgstlegacyresample_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
libgstlegacyresample_la_LIBTOOLFLAGS = --tag=disable-static
Android.mk: Makefile.am $(BUILT_SOURCES)
androgenizer \
-:PROJECT libgstlegacyresample -:SHARED libgstlegacyresample \
-:TAGS eng debug \
-:REL_TOP $(top_srcdir) -:ABS_TOP $(abs_top_srcdir) \
-:SOURCES $(libgstlegacyresample_la_SOURCES) \
-:CFLAGS $(DEFS) $(DEFAULT_INCLUDES) $(libgstlegacyresample_la_CFLAGS) \
-:LDFLAGS $(libgstlegacyresample_la_LDFLAGS) \
$(libgstlegacyresample_la_LIBADD) \
-ldl \
-:PASSTHROUGH LOCAL_ARM_MODE:=arm \
LOCAL_MODULE_PATH:='$$(TARGET_OUT)/lib/gstreamer-0.10' \
> $@

253
gst/legacyresample/buffer.c
View file

@ -1,253 +0,0 @@
#ifndef HAVE_CONFIG_H
#include "config.h"
#endif
#include <glib.h>
#include <string.h>
#include "buffer.h"
#include "debug.h"
static void audioresample_buffer_free_mem (AudioresampleBuffer * buffer,
void *);
static void audioresample_buffer_free_subbuffer (AudioresampleBuffer * buffer,
void *priv);
AudioresampleBuffer *
audioresample_buffer_new (void)
{
AudioresampleBuffer *buffer;
buffer = g_new0 (AudioresampleBuffer, 1);
buffer->ref_count = 1;
return buffer;
}
AudioresampleBuffer *
audioresample_buffer_new_and_alloc (int size)
{
AudioresampleBuffer *buffer = audioresample_buffer_new ();
buffer->data = g_malloc (size);
buffer->length = size;
buffer->free = audioresample_buffer_free_mem;
return buffer;
}
AudioresampleBuffer *
audioresample_buffer_new_with_data (void *data, int size)
{
AudioresampleBuffer *buffer = audioresample_buffer_new ();
buffer->data = data;
buffer->length = size;
buffer->free = audioresample_buffer_free_mem;
return buffer;
}
AudioresampleBuffer *
audioresample_buffer_new_subbuffer (AudioresampleBuffer * buffer, int offset,
int length)
{
AudioresampleBuffer *subbuffer = audioresample_buffer_new ();
if (buffer->parent) {
audioresample_buffer_ref (buffer->parent);
subbuffer->parent = buffer->parent;
} else {
audioresample_buffer_ref (buffer);
subbuffer->parent = buffer;
}
subbuffer->data = buffer->data + offset;
subbuffer->length = length;
subbuffer->free = audioresample_buffer_free_subbuffer;
return subbuffer;
}
void
audioresample_buffer_ref (AudioresampleBuffer * buffer)
{
buffer->ref_count++;
}
void
audioresample_buffer_unref (AudioresampleBuffer * buffer)
{
buffer->ref_count--;
if (buffer->ref_count == 0) {
if (buffer->free)
buffer->free (buffer, buffer->priv);
g_free (buffer);
}
}
static void
audioresample_buffer_free_mem (AudioresampleBuffer * buffer, void *priv)
{
g_free (buffer->data);
}
static void
audioresample_buffer_free_subbuffer (AudioresampleBuffer * buffer, void *priv)
{
audioresample_buffer_unref (buffer->parent);
}
AudioresampleBufferQueue *
audioresample_buffer_queue_new (void)
{
return g_new0 (AudioresampleBufferQueue, 1);
}
int
audioresample_buffer_queue_get_depth (AudioresampleBufferQueue * queue)
{
return queue->depth;
}
int
audioresample_buffer_queue_get_offset (AudioresampleBufferQueue * queue)
{
return queue->offset;
}
void
audioresample_buffer_queue_free (AudioresampleBufferQueue * queue)
{
GList *g;
for (g = g_list_first (queue->buffers); g; g = g_list_next (g)) {
audioresample_buffer_unref ((AudioresampleBuffer *) g->data);
}
g_list_free (queue->buffers);
g_free (queue);
}
void
audioresample_buffer_queue_push (AudioresampleBufferQueue * queue,
AudioresampleBuffer * buffer)
{
queue->buffers = g_list_append (queue->buffers, buffer);
queue->depth += buffer->length;
}
AudioresampleBuffer *
audioresample_buffer_queue_pull (AudioresampleBufferQueue * queue, int length)
{
GList *g;
AudioresampleBuffer *newbuffer;
AudioresampleBuffer *buffer;
AudioresampleBuffer *subbuffer;
g_return_val_if_fail (length > 0, NULL);
if (queue->depth < length) {
return NULL;
}
RESAMPLE_LOG ("pulling %d, %d available", length, queue->depth);
g = g_list_first (queue->buffers);
buffer = g->data;
if (buffer->length > length) {
newbuffer = audioresample_buffer_new_subbuffer (buffer, 0, length);
subbuffer = audioresample_buffer_new_subbuffer (buffer, length,
buffer->length - length);
g->data = subbuffer;
audioresample_buffer_unref (buffer);
} else {
int offset = 0;
newbuffer = audioresample_buffer_new_and_alloc (length);
while (offset < length) {
g = g_list_first (queue->buffers);
buffer = g->data;
if (buffer->length > length - offset) {
int n = length - offset;
memcpy (newbuffer->data + offset, buffer->data, n);
subbuffer =
audioresample_buffer_new_subbuffer (buffer, n, buffer->length - n);
g->data = subbuffer;
audioresample_buffer_unref (buffer);
offset += n;
} else {
memcpy (newbuffer->data + offset, buffer->data, buffer->length);
queue->buffers = g_list_delete_link (queue->buffers, g);
offset += buffer->length;
audioresample_buffer_unref (buffer);
}
}
}
queue->depth -= length;
queue->offset += length;
return newbuffer;
}
AudioresampleBuffer *
audioresample_buffer_queue_peek (AudioresampleBufferQueue * queue, int length)
{
GList *g;
AudioresampleBuffer *newbuffer;
AudioresampleBuffer *buffer;
int offset = 0;
g_return_val_if_fail (length > 0, NULL);
if (queue->depth < length) {
return NULL;
}
RESAMPLE_LOG ("peeking %d, %d available", length, queue->depth);
g = g_list_first (queue->buffers);
buffer = g->data;
if (buffer->length > length) {
newbuffer = audioresample_buffer_new_subbuffer (buffer, 0, length);
} else {
newbuffer = audioresample_buffer_new_and_alloc (length);
while (offset < length) {
buffer = g->data;
if (buffer->length > length - offset) {
int n = length - offset;
memcpy (newbuffer->data + offset, buffer->data, n);
offset += n;
} else {
memcpy (newbuffer->data + offset, buffer->data, buffer->length);
offset += buffer->length;
}
g = g_list_next (g);
}
}
return newbuffer;
}
void
audioresample_buffer_queue_flush (AudioresampleBufferQueue * queue)
{
GList *g;
for (g = g_list_first (queue->buffers); g; g = g_list_next (g)) {
audioresample_buffer_unref ((AudioresampleBuffer *) g->data);
}
g_list_free (queue->buffers);
queue->buffers = NULL;
queue->depth = 0;
queue->offset = 0;
}

51
gst/legacyresample/buffer.h
View file

@ -1,51 +0,0 @@
#ifndef __AUDIORESAMPLE_BUFFER_H__
#define __AUDIORESAMPLE_BUFFER_H__
#include <glib.h>
typedef struct _AudioresampleBuffer AudioresampleBuffer;
typedef struct _AudioresampleBufferQueue AudioresampleBufferQueue;
struct _AudioresampleBuffer
{
unsigned char *data;
int length;
int ref_count;
AudioresampleBuffer *parent;
void (*free) (AudioresampleBuffer *, void *);
void *priv;
void *priv2;
};
struct _AudioresampleBufferQueue
{
GList *buffers;
int depth;
int offset;
};
AudioresampleBuffer * audioresample_buffer_new (void);
AudioresampleBuffer * audioresample_buffer_new_and_alloc (int size);
AudioresampleBuffer * audioresample_buffer_new_with_data (void *data, int size);
AudioresampleBuffer * audioresample_buffer_new_subbuffer (AudioresampleBuffer * buffer,
int offset,
int length);
void audioresample_buffer_ref (AudioresampleBuffer * buffer);
void audioresample_buffer_unref (AudioresampleBuffer * buffer);
AudioresampleBufferQueue *
audioresample_buffer_queue_new (void);
void audioresample_buffer_queue_free (AudioresampleBufferQueue * queue);
int audioresample_buffer_queue_get_depth (AudioresampleBufferQueue * queue);
int audioresample_buffer_queue_get_offset (AudioresampleBufferQueue * queue);
void audioresample_buffer_queue_push (AudioresampleBufferQueue * queue,
AudioresampleBuffer * buffer);
AudioresampleBuffer * audioresample_buffer_queue_pull (AudioresampleBufferQueue * queue, int len);
AudioresampleBuffer * audioresample_buffer_queue_peek (AudioresampleBufferQueue * queue, int len);
void audioresample_buffer_queue_flush (AudioresampleBufferQueue * queue);
#endif

65
gst/legacyresample/debug.c
View file

@ -1,65 +0,0 @@
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <glib.h>
#include <stdio.h>
#include <debug.h>
static const char *resample_debug_level_names[] = {
"NONE",
"ERROR",
"WARNING",
"INFO",
"DEBUG",
"LOG"
};
static int resample_debug_level = RESAMPLE_LEVEL_ERROR;
void
resample_debug_log (int level, const char *file, const char *function,
int line, const char *format, ...)
{
#ifndef GLIB_COMPAT
va_list varargs;
char *s;
if (level > resample_debug_level)
return;
va_start (varargs, format);
s = g_strdup_vprintf (format, varargs);
va_end (varargs);
fprintf (stderr, "RESAMPLE: %s: %s(%d): %s: %s\n",
resample_debug_level_names[level], file, line, function, s);
g_free (s);
#else
va_list varargs;
char s[1000];
if (level > resample_debug_level)
return;
va_start (varargs, format);
vsnprintf (s, 999, format, varargs);
va_end (varargs);
fprintf (stderr, "RESAMPLE: %s: %s(%d): %s: %s\n",
resample_debug_level_names[level], file, line, function, s);
#endif
}
void
resample_debug_set_level (int level)
{
resample_debug_level = level;
}
int
resample_debug_get_level (void)
{
return resample_debug_level;
}

51
gst/legacyresample/debug.h
View file

@ -1,51 +0,0 @@
#ifndef __RESAMPLE_DEBUG_H__
#define __RESAMPLE_DEBUG_H__
#if 0
enum
{
RESAMPLE_LEVEL_NONE = 0,
RESAMPLE_LEVEL_ERROR,
RESAMPLE_LEVEL_WARNING,
RESAMPLE_LEVEL_INFO,
RESAMPLE_LEVEL_DEBUG,
RESAMPLE_LEVEL_LOG
};
#define RESAMPLE_ERROR(...) \
RESAMPLE_DEBUG_LEVEL(RESAMPLE_LEVEL_ERROR, __VA_ARGS__)
#define RESAMPLE_WARNING(...) \
RESAMPLE_DEBUG_LEVEL(RESAMPLE_LEVEL_WARNING, __VA_ARGS__)
#define RESAMPLE_INFO(...) \
RESAMPLE_DEBUG_LEVEL(RESAMPLE_LEVEL_INFO, __VA_ARGS__)
#define RESAMPLE_DEBUG(...) \
RESAMPLE_DEBUG_LEVEL(RESAMPLE_LEVEL_DEBUG, __VA_ARGS__)
#define RESAMPLE_LOG(...) \
RESAMPLE_DEBUG_LEVEL(RESAMPLE_LEVEL_LOG, __VA_ARGS__)
#define RESAMPLE_DEBUG_LEVEL(level,...) \
resample_debug_log ((level), __FILE__, __FUNCTION__, __LINE__, __VA_ARGS__)
void resample_debug_log (int level, const char *file, const char *function,
int line, const char *format, ...);
void resample_debug_set_level (int level);
int resample_debug_get_level (void);
#else
#include <gst/gst.h>
GST_DEBUG_CATEGORY_EXTERN (libaudioresample_debug);
#define GST_CAT_DEFAULT libaudioresample_debug
#define RESAMPLE_ERROR GST_ERROR
#define RESAMPLE_WARNING GST_WARNING
#define RESAMPLE_INFO GST_INFO
#define RESAMPLE_DEBUG GST_DEBUG
#define RESAMPLE_LOG GST_LOG
#define resample_debug_set_level(x) do { } while (0)
#endif
#endif

254
gst/legacyresample/functable.c
View file

@ -1,254 +0,0 @@
/* Resampling library
* Copyright (C) <2001> David A. Schleef <ds@schleef.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include "functable.h"
#include "debug.h"
void
functable_func_sinc (double *fx, double *dfx, double x, void *closure)
{
if (x == 0) {
*fx = 1;
*dfx = 0;
return;
}
*fx = sin (x) / x;
*dfx = (cos (x) - sin (x) / x) / x;
}
void
functable_func_boxcar (double *fx, double *dfx, double x, void *closure)
{
double width = *(double *) closure;
if (x < width && x > -width) {
*fx = 1;
} else {
*fx = 0;
}
*dfx = 0;
}
void
functable_func_hanning (double *fx, double *dfx, double x, void *closure)
{
double width = *(double *) closure;
if (x < width && x > -width) {
x /= width;
*fx = (1 - x * x) * (1 - x * x);
*dfx = -2 * 2 * x / width * (1 - x * x);
} else {
*fx = 0;
*dfx = 0;
}
}
Functable *
functable_new (void)
{
Functable *ft;
ft = malloc (sizeof (Functable));
memset (ft, 0, sizeof (Functable));
return ft;
}
void
functable_free (Functable * ft)
{
free (ft);
}
void
functable_set_length (Functable * t, int length)
{
t->length = length;
}
void
functable_set_offset (Functable * t, double offset)
{
t->offset = offset;
}
void
functable_set_multiplier (Functable * t, double multiplier)
{
t->multiplier = multiplier;
}
void
functable_calculate (Functable * t, FunctableFunc func, void *closure)
{
int i;
double x;
if (t->fx)
free (t->fx);
if (t->dfx)
free (t->dfx);
t->fx = malloc (sizeof (double) * (t->length + 1));
t->dfx = malloc (sizeof (double) * (t->length + 1));
t->inv_multiplier = 1.0 / t->multiplier;
for (i = 0; i < t->length + 1; i++) {
x = t->offset + t->multiplier * i;
func (&t->fx[i], &t->dfx[i], x, closure);
}
}
void
functable_calculate_multiply (Functable * t, FunctableFunc func, void *closure)
{
int i;
double x;
for (i = 0; i < t->length + 1; i++) {
double afx, adfx, bfx, bdfx;
afx = t->fx[i];
adfx = t->dfx[i];
x = t->offset + t->multiplier * i;
func (&bfx, &bdfx, x, closure);
t->fx[i] = afx * bfx;
t->dfx[i] = afx * bdfx + adfx * bfx;
}
}
double
functable_evaluate (Functable * t, double x)
{
int i;
double f0, f1, w0, w1;
double x2, x3;
double w;
if (x < t->offset || x > (t->offset + t->length * t->multiplier)) {
RESAMPLE_DEBUG ("x out of range %g", x);
}
x -= t->offset;
x *= t->inv_multiplier;
i = floor (x);
x -= i;
x2 = x * x;
x3 = x2 * x;
f1 = 3 * x2 - 2 * x3;
f0 = 1 - f1;
w0 = (x - 2 * x2 + x3) * t->multiplier;
w1 = (-x2 + x3) * t->multiplier;
w = t->fx[i] * f0 + t->fx[i + 1] * f1 + t->dfx[i] * w0 + t->dfx[i + 1] * w1;
/*w = t->fx[i] * (1-x) + t->fx[i+1] * x; */
return w;
}
double
functable_fir (Functable * t, double x, int n, double *data, int len)
{
int i, j;
double f0, f1, w0, w1;
double x2, x3;
double w;
double sum;
x -= t->offset;
x /= t->multiplier;
i = floor (x);
x -= i;
x2 = x * x;
x3 = x2 * x;
f1 = 3 * x2 - 2 * x3;
f0 = 1 - f1;
w0 = (x - 2 * x2 + x3) * t->multiplier;
w1 = (-x2 + x3) * t->multiplier;
sum = 0;
for (j = 0; j < len; j++) {
w = t->fx[i] * f0 + t->fx[i + 1] * f1 + t->dfx[i] * w0 + t->dfx[i + 1] * w1;
sum += data[j * 2] * w;
i += n;
}
return sum;
}
void
functable_fir2 (Functable * t, double *r0, double *r1, double x,
int n, double *data, int len)
{
int i, j;
double f0, f1, w0, w1;
double x2, x3;
double w;
double sum0, sum1;
double floor_x;
x -= t->offset;
x *= t->inv_multiplier;
floor_x = floor (x);
i = floor_x;
x -= floor_x;
x2 = x * x;
x3 = x2 * x;
f1 = 3 * x2 - 2 * x3;
f0 = 1 - f1;
w0 = (x - 2 * x2 + x3) * t->multiplier;
w1 = (-x2 + x3) * t->multiplier;
sum0 = 0;
sum1 = 0;
for (j = 0; j < len; j++) {
w = t->fx[i] * f0 + t->fx[i + 1] * f1 + t->dfx[i] * w0 + t->dfx[i + 1] * w1;
sum0 += data[j * 2] * w;
sum1 += data[j * 2 + 1] * w;
i += n;
}
*r0 = sum0;
*r1 = sum1;
}

61
gst/legacyresample/functable.h
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@ -1,61 +0,0 @@
/* Resampling library
* Copyright (C) <2001> David Schleef <ds@schleef.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __FUNCTABLE_H__
#define __FUNCTABLE_H__
typedef void FunctableFunc (double *fx, double *dfx, double x, void *closure);
typedef struct _Functable Functable;
struct _Functable {
int length;
double offset;
double multiplier;
double inv_multiplier;
double *fx;
double *dfx;
};
Functable *functable_new (void);
void functable_setup (Functable *t);
void functable_free (Functable *t);
void functable_set_length (Functable *t, int length);
void functable_set_offset (Functable *t, double offset);
void functable_set_multiplier (Functable *t, double multiplier);
void functable_calculate (Functable *t, FunctableFunc func, void *closure);
void functable_calculate_multiply (Functable *t, FunctableFunc func, void *closure);
double functable_evaluate (Functable *t,double x);
double functable_fir(Functable *t,double x0,int n,double *data,int len);
void functable_fir2(Functable *t,double *r0, double *r1, double x0,
int n,double *data,int len);
void functable_func_sinc(double *fx, double *dfx, double x, void *closure);
void functable_func_boxcar(double *fx, double *dfx, double x, void *closure);
void functable_func_hanning(double *fx, double *dfx, double x, void *closure);
#endif /* __PRIVATE_H__ */

878
gst/legacyresample/gstlegacyresample.c
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@ -1,878 +0,0 @@
/* GStreamer
* Copyright (C) 1999 Erik Walthinsen <omega@cse.ogi.edu>
* Copyright (C) 2003,2004 David A. Schleef <ds@schleef.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/* Element-Checklist-Version: 5 */
/**
* SECTION:element-legacyresample
*
* legacyresample resamples raw audio buffers to different sample rates using
* a configurable windowing function to enhance quality.
*
* <refsect2>
* <title>Example launch line</title>
* |[
* gst-launch -v filesrc location=sine.ogg ! oggdemux ! vorbisdec ! audioconvert ! legacyresample ! audio/x-raw-int, rate=8000 ! alsasink
* ]| Decode an Ogg/Vorbis downsample to 8Khz and play sound through alsa.
* To create the Ogg/Vorbis file refer to the documentation of vorbisenc.
* </refsect2>
*
* Last reviewed on 2006-03-02 (0.10.4)
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#include <math.h>
/*#define DEBUG_ENABLED */
#include "gstlegacyresample.h"
#include <gst/audio/audio.h>
#include <gst/base/gstbasetransform.h>
GST_DEBUG_CATEGORY_STATIC (legacyresample_debug);
#define GST_CAT_DEFAULT legacyresample_debug
#define DEFAULT_FILTERLEN 16
enum
{
PROP_0,
PROP_FILTERLEN
};
#define SUPPORTED_CAPS \
GST_STATIC_CAPS ( \
"audio/x-raw-int, " \
"rate = (int) [ 1, MAX ], " \
"channels = (int) [ 1, MAX ], " \
"endianness = (int) BYTE_ORDER, " \
"width = (int) 16, " \
"depth = (int) 16, " \
"signed = (boolean) true;" \
"audio/x-raw-int, " \
"rate = (int) [ 1, MAX ], " \
"channels = (int) [ 1, MAX ], " \
"endianness = (int) BYTE_ORDER, " \
"width = (int) 32, " \
"depth = (int) 32, " \
"signed = (boolean) true;" \
"audio/x-raw-float, " \
"rate = (int) [ 1, MAX ], " \
"channels = (int) [ 1, MAX ], " \
"endianness = (int) BYTE_ORDER, " \
"width = (int) 32; " \
"audio/x-raw-float, " \
"rate = (int) [ 1, MAX ], " \
"channels = (int) [ 1, MAX ], " \
"endianness = (int) BYTE_ORDER, " \
"width = (int) 64" \
)
static GstStaticPadTemplate gst_legacyresample_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK, GST_PAD_ALWAYS, SUPPORTED_CAPS);
static GstStaticPadTemplate gst_legacyresample_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC, GST_PAD_ALWAYS, SUPPORTED_CAPS);
static void gst_legacyresample_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec);
static void gst_legacyresample_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec);
/* vmethods */
static gboolean legacyresample_get_unit_size (GstBaseTransform * base,
GstCaps * caps, guint * size);
static GstCaps *legacyresample_transform_caps (GstBaseTransform * base,
GstPadDirection direction, GstCaps * caps);
static void legacyresample_fixate_caps (GstBaseTransform * base,
GstPadDirection direction, GstCaps * caps, GstCaps * othercaps);
static gboolean legacyresample_transform_size (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * incaps, guint insize,
GstCaps * outcaps, guint * outsize);
static gboolean legacyresample_set_caps (GstBaseTransform * base,
GstCaps * incaps, GstCaps * outcaps);
static GstFlowReturn legacyresample_pushthrough (GstLegacyresample *
legacyresample);
static GstFlowReturn legacyresample_transform (GstBaseTransform * base,
GstBuffer * inbuf, GstBuffer * outbuf);
static gboolean legacyresample_event (GstBaseTransform * base,
GstEvent * event);
static gboolean legacyresample_start (GstBaseTransform * base);
static gboolean legacyresample_stop (GstBaseTransform * base);
static gboolean legacyresample_query (GstPad * pad, GstQuery * query);
static const GstQueryType *legacyresample_query_type (GstPad * pad);
#define DEBUG_INIT(bla) \
GST_DEBUG_CATEGORY_INIT (legacyresample_debug, "legacyresample", 0, "audio resampling element");
GST_BOILERPLATE_FULL (GstLegacyresample, gst_legacyresample, GstBaseTransform,
GST_TYPE_BASE_TRANSFORM, DEBUG_INIT);
static void
gst_legacyresample_base_init (gpointer g_class)
{
GstElementClass *gstelement_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&gst_legacyresample_src_template));
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&gst_legacyresample_sink_template));
gst_element_class_set_details_simple (gstelement_class, "Audio scaler",
"Filter/Converter/Audio",
"Resample audio", "David Schleef <ds@schleef.org>");
}
static void
gst_legacyresample_class_init (GstLegacyresampleClass * klass)
{
GObjectClass *gobject_class;
gobject_class = (GObjectClass *) klass;
gobject_class->set_property = gst_legacyresample_set_property;
gobject_class->get_property = gst_legacyresample_get_property;
g_object_class_install_property (gobject_class, PROP_FILTERLEN,
g_param_spec_int ("filter-length", "filter length",
"Length of the resample filter", 0, G_MAXINT, DEFAULT_FILTERLEN,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
GST_BASE_TRANSFORM_CLASS (klass)->start =
GST_DEBUG_FUNCPTR (legacyresample_start);
GST_BASE_TRANSFORM_CLASS (klass)->stop =
GST_DEBUG_FUNCPTR (legacyresample_stop);
GST_BASE_TRANSFORM_CLASS (klass)->transform_size =
GST_DEBUG_FUNCPTR (legacyresample_transform_size);
GST_BASE_TRANSFORM_CLASS (klass)->get_unit_size =
GST_DEBUG_FUNCPTR (legacyresample_get_unit_size);
GST_BASE_TRANSFORM_CLASS (klass)->transform_caps =
GST_DEBUG_FUNCPTR (legacyresample_transform_caps);
GST_BASE_TRANSFORM_CLASS (klass)->fixate_caps =
GST_DEBUG_FUNCPTR (legacyresample_fixate_caps);
GST_BASE_TRANSFORM_CLASS (klass)->set_caps =
GST_DEBUG_FUNCPTR (legacyresample_set_caps);
GST_BASE_TRANSFORM_CLASS (klass)->transform =
GST_DEBUG_FUNCPTR (legacyresample_transform);
GST_BASE_TRANSFORM_CLASS (klass)->event =
GST_DEBUG_FUNCPTR (legacyresample_event);
GST_BASE_TRANSFORM_CLASS (klass)->passthrough_on_same_caps = TRUE;
}
static void
gst_legacyresample_init (GstLegacyresample * legacyresample,
GstLegacyresampleClass * klass)
{
GstBaseTransform *trans;
trans = GST_BASE_TRANSFORM (legacyresample);
/* buffer alloc passthrough is too impossible. FIXME, it
* is trivial in the passthrough case. */
gst_pad_set_bufferalloc_function (trans->sinkpad, NULL);
legacyresample->filter_length = DEFAULT_FILTERLEN;
legacyresample->need_discont = FALSE;
gst_pad_set_query_function (trans->srcpad, legacyresample_query);
gst_pad_set_query_type_function (trans->srcpad, legacyresample_query_type);
}
/* vmethods */
static gboolean
legacyresample_start (GstBaseTransform * base)
{
GstLegacyresample *legacyresample = GST_LEGACYRESAMPLE (base);
legacyresample->resample = resample_new ();
legacyresample->ts_offset = -1;
legacyresample->offset = -1;
legacyresample->next_ts = -1;
resample_set_filter_length (legacyresample->resample,
legacyresample->filter_length);
return TRUE;
}
static gboolean
legacyresample_stop (GstBaseTransform * base)
{
GstLegacyresample *legacyresample = GST_LEGACYRESAMPLE (base);
if (legacyresample->resample) {
resample_free (legacyresample->resample);
legacyresample->resample = NULL;
}
gst_caps_replace (&legacyresample->sinkcaps, NULL);
gst_caps_replace (&legacyresample->srccaps, NULL);
return TRUE;
}
static gboolean
legacyresample_get_unit_size (GstBaseTransform * base, GstCaps * caps,
guint * size)
{
gint width, channels;
GstStructure *structure;
gboolean ret;
g_assert (size);
/* this works for both float and int */
structure = gst_caps_get_structure (caps, 0);
ret = gst_structure_get_int (structure, "width", &width);
ret &= gst_structure_get_int (structure, "channels", &channels);
g_return_val_if_fail (ret, FALSE);
*size = width * channels / 8;
return TRUE;
}
static GstCaps *
legacyresample_transform_caps (GstBaseTransform * base,
GstPadDirection direction, GstCaps * caps)
{
const GValue *val;
GstStructure *s;
GstCaps *res;
/* transform single caps into input_caps + input_caps with the rate
* field set to our supported range. This ensures that upstream knows
* about downstream's prefered rate(s) and can negotiate accordingly. */
res = gst_caps_copy (caps);
/* first, however, check if the caps contain a range for the rate field, in
* which case that side isn't going to care much about the exact sample rate
* chosen and we should just assume things will get fixated to something sane
* and we may just as well offer our full range instead of the range in the
* caps. If the rate is not an int range value, it's likely to express a
* real preference or limitation and we should maintain that structure as
* preference by putting it first into the transformed caps, and only add
* our full rate range as second option */
s = gst_caps_get_structure (res, 0);
val = gst_structure_get_value (s, "rate");
if (val == NULL || GST_VALUE_HOLDS_INT_RANGE (val)) {
/* overwrite existing range, or add field if it doesn't exist yet */
gst_structure_set (s, "rate", GST_TYPE_INT_RANGE, 1, G_MAXINT, NULL);
} else {
/* append caps with full range to existing caps with non-range rate field */
s = gst_structure_copy (s);
gst_structure_set (s, "rate", GST_TYPE_INT_RANGE, 1, G_MAXINT, NULL);
gst_caps_append_structure (res, s);
}
return res;
}
/* Fixate rate to the allowed rate that has the smallest difference */
static void
legacyresample_fixate_caps (GstBaseTransform * base,
GstPadDirection direction, GstCaps * caps, GstCaps * othercaps)
{
GstStructure *s;
gint rate;
s = gst_caps_get_structure (caps, 0);
if (!gst_structure_get_int (s, "rate", &rate))
return;
s = gst_caps_get_structure (othercaps, 0);
gst_structure_fixate_field_nearest_int (s, "rate", rate);
}
static gboolean
resample_set_state_from_caps (ResampleState * state, GstCaps * incaps,
GstCaps * outcaps, gint * channels, gint * inrate, gint * outrate)
{
GstStructure *structure;
gboolean ret;
gint myinrate, myoutrate;
int mychannels;
gint width, depth;
ResampleFormat format;
GST_DEBUG ("incaps %" GST_PTR_FORMAT ", outcaps %"
GST_PTR_FORMAT, incaps, outcaps);
structure = gst_caps_get_structure (incaps, 0);
/* get width */
ret = gst_structure_get_int (structure, "width", &width);
if (!ret)
goto no_width;
/* figure out the format */
if (g_str_equal (gst_structure_get_name (structure), "audio/x-raw-float")) {
if (width == 32)
format = RESAMPLE_FORMAT_F32;
else if (width == 64)
format = RESAMPLE_FORMAT_F64;
else
goto wrong_depth;
} else {
/* for int, depth and width must be the same */
ret = gst_structure_get_int (structure, "depth", &depth);
if (!ret || width != depth)
goto not_equal;
if (width == 16)
format = RESAMPLE_FORMAT_S16;
else if (width == 32)
format = RESAMPLE_FORMAT_S32;
else
goto wrong_depth;
}
ret = gst_structure_get_int (structure, "rate", &myinrate);
ret &= gst_structure_get_int (structure, "channels", &mychannels);
if (!ret)
goto no_in_rate_channels;
structure = gst_caps_get_structure (outcaps, 0);
ret = gst_structure_get_int (structure, "rate", &myoutrate);
if (!ret)
goto no_out_rate;
if (channels)
*channels = mychannels;
if (inrate)
*inrate = myinrate;
if (outrate)
*outrate = myoutrate;
resample_set_format (state, format);
resample_set_n_channels (state, mychannels);
resample_set_input_rate (state, myinrate);
resample_set_output_rate (state, myoutrate);
return TRUE;
/* ERRORS */
no_width:
{
GST_DEBUG ("failed to get width from caps");
return FALSE;
}
not_equal:
{
GST_DEBUG ("width %d and depth %d must be the same", width, depth);
return FALSE;
}
wrong_depth:
{
GST_DEBUG ("unknown depth %d found", depth);
return FALSE;
}
no_in_rate_channels:
{
GST_DEBUG ("could not get input rate and channels");
return FALSE;
}
no_out_rate:
{
GST_DEBUG ("could not get output rate");
return FALSE;
}
}
static gboolean
legacyresample_transform_size (GstBaseTransform * base,
GstPadDirection direction, GstCaps * caps, guint size, GstCaps * othercaps,
guint * othersize)
{
GstLegacyresample *legacyresample = GST_LEGACYRESAMPLE (base);
ResampleState *state;
GstCaps *srccaps, *sinkcaps;
gboolean use_internal = FALSE; /* whether we use the internal state */
gboolean ret = TRUE;
GST_LOG_OBJECT (base, "asked to transform size %d in direction %s",
size, direction == GST_PAD_SINK ? "SINK" : "SRC");
if (direction == GST_PAD_SINK) {
sinkcaps = caps;
srccaps = othercaps;
} else {
sinkcaps = othercaps;
srccaps = caps;
}
/* if the caps are the ones that _set_caps got called with; we can use
* our own state; otherwise we'll have to create a state */
if (gst_caps_is_equal (sinkcaps, legacyresample->sinkcaps) &&
gst_caps_is_equal (srccaps, legacyresample->srccaps)) {
use_internal = TRUE;
state = legacyresample->resample;
} else {
GST_DEBUG_OBJECT (legacyresample,
"caps are not the set caps, creating state");
state = resample_new ();
resample_set_filter_length (state, legacyresample->filter_length);
resample_set_state_from_caps (state, sinkcaps, srccaps, NULL, NULL, NULL);
}
if (direction == GST_PAD_SINK) {
/* asked to convert size of an incoming buffer */
*othersize = resample_get_output_size_for_input (state, size);
} else {
/* asked to convert size of an outgoing buffer */
*othersize = resample_get_input_size_for_output (state, size);
}
g_assert (*othersize % state->sample_size == 0);
/* we make room for one extra sample, given that the resampling filter
* can output an extra one for non-integral i_rate/o_rate */
GST_LOG_OBJECT (base, "transformed size %d to %d", size, *othersize);
if (!use_internal) {
resample_free (state);
}
return ret;
}
static gboolean
legacyresample_set_caps (GstBaseTransform * base, GstCaps * incaps,
GstCaps * outcaps)
{
gboolean ret;
gint inrate, outrate;
int channels;
GstLegacyresample *legacyresample = GST_LEGACYRESAMPLE (base);
GST_DEBUG_OBJECT (base, "incaps %" GST_PTR_FORMAT ", outcaps %"
GST_PTR_FORMAT, incaps, outcaps);
ret = resample_set_state_from_caps (legacyresample->resample, incaps, outcaps,
&channels, &inrate, &outrate);
g_return_val_if_fail (ret, FALSE);
legacyresample->channels = channels;
GST_DEBUG_OBJECT (legacyresample, "set channels to %d", channels);
legacyresample->i_rate = inrate;
GST_DEBUG_OBJECT (legacyresample, "set i_rate to %d", inrate);
legacyresample->o_rate = outrate;
GST_DEBUG_OBJECT (legacyresample, "set o_rate to %d", outrate);
/* save caps so we can short-circuit in the size_transform if the caps
* are the same */
gst_caps_replace (&legacyresample->sinkcaps, incaps);
gst_caps_replace (&legacyresample->srccaps, outcaps);
return TRUE;
}
static gboolean
legacyresample_event (GstBaseTransform * base, GstEvent * event)
{
GstLegacyresample *legacyresample;
legacyresample = GST_LEGACYRESAMPLE (base);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_FLUSH_START:
break;
case GST_EVENT_FLUSH_STOP:
if (legacyresample->resample)
resample_input_flush (legacyresample->resample);
legacyresample->ts_offset = -1;
legacyresample->next_ts = -1;
legacyresample->offset = -1;
break;
case GST_EVENT_NEWSEGMENT:
resample_input_pushthrough (legacyresample->resample);
legacyresample_pushthrough (legacyresample);
legacyresample->ts_offset = -1;
legacyresample->next_ts = -1;
legacyresample->offset = -1;
break;
case GST_EVENT_EOS:
resample_input_eos (legacyresample->resample);
legacyresample_pushthrough (legacyresample);
break;
default:
break;
}
return parent_class->event (base, event);
}
static GstFlowReturn
legacyresample_do_output (GstLegacyresample * legacyresample,
GstBuffer * outbuf)
{
int outsize;
int outsamples;
ResampleState *r;
r = legacyresample->resample;
outsize = resample_get_output_size (r);
GST_LOG_OBJECT (legacyresample, "legacyresample can give me %d bytes",
outsize);
/* protect against mem corruption */
if (outsize > GST_BUFFER_SIZE (outbuf)) {
GST_WARNING_OBJECT (legacyresample,
"overriding legacyresample's outsize %d with outbuffer's size %d",
outsize, GST_BUFFER_SIZE (outbuf));
outsize = GST_BUFFER_SIZE (outbuf);
}
/* catch possibly wrong size differences */
if (GST_BUFFER_SIZE (outbuf) - outsize > r->sample_size) {
GST_WARNING_OBJECT (legacyresample,
"legacyresample's outsize %d too far from outbuffer's size %d",
outsize, GST_BUFFER_SIZE (outbuf));
}
outsize = resample_get_output_data (r, GST_BUFFER_DATA (outbuf), outsize);
outsamples = outsize / r->sample_size;
GST_LOG_OBJECT (legacyresample, "resample gave me %d bytes or %d samples",
outsize, outsamples);
GST_BUFFER_OFFSET (outbuf) = legacyresample->offset;
GST_BUFFER_TIMESTAMP (outbuf) = legacyresample->next_ts;
if (legacyresample->ts_offset != -1) {
legacyresample->offset += outsamples;
legacyresample->ts_offset += outsamples;
legacyresample->next_ts =
gst_util_uint64_scale_int (legacyresample->ts_offset, GST_SECOND,
legacyresample->o_rate);
GST_BUFFER_OFFSET_END (outbuf) = legacyresample->offset;
/* we calculate DURATION as the difference between "next" timestamp
* and current timestamp so we ensure a contiguous stream, instead of
* having rounding errors. */
GST_BUFFER_DURATION (outbuf) = legacyresample->next_ts -
GST_BUFFER_TIMESTAMP (outbuf);
} else {
/* no valid offset know, we can still sortof calculate the duration though */
GST_BUFFER_DURATION (outbuf) =
gst_util_uint64_scale_int (outsamples, GST_SECOND,
legacyresample->o_rate);
}
/* check for possible mem corruption */
if (outsize > GST_BUFFER_SIZE (outbuf)) {
/* this is an error that when it happens, would need fixing in the
* resample library; we told it we wanted only GST_BUFFER_SIZE (outbuf),
* and it gave us more ! */
GST_WARNING_OBJECT (legacyresample,
"legacyresample, you memory corrupting bastard. "
"you gave me outsize %d while my buffer was size %d",
outsize, GST_BUFFER_SIZE (outbuf));
return GST_FLOW_ERROR;
}
/* catch possibly wrong size differences */
if (GST_BUFFER_SIZE (outbuf) - outsize > r->sample_size) {
GST_WARNING_OBJECT (legacyresample,
"legacyresample's written outsize %d too far from outbuffer's size %d",
outsize, GST_BUFFER_SIZE (outbuf));
}
GST_BUFFER_SIZE (outbuf) = outsize;
if (G_UNLIKELY (legacyresample->need_discont)) {
GST_DEBUG_OBJECT (legacyresample,
"marking this buffer with the DISCONT flag");
GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_DISCONT);
legacyresample->need_discont = FALSE;
}
GST_LOG_OBJECT (legacyresample, "transformed to buffer of %d bytes, ts %"
GST_TIME_FORMAT ", duration %" GST_TIME_FORMAT ", offset %"
G_GINT64_FORMAT ", offset_end %" G_GINT64_FORMAT,
outsize, GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (outbuf)),
GST_TIME_ARGS (GST_BUFFER_DURATION (outbuf)),
GST_BUFFER_OFFSET (outbuf), GST_BUFFER_OFFSET_END (outbuf));
return GST_FLOW_OK;
}
static gboolean
legacyresample_check_discont (GstLegacyresample * legacyresample,
GstClockTime timestamp)
{
if (timestamp != GST_CLOCK_TIME_NONE &&
legacyresample->prev_ts != GST_CLOCK_TIME_NONE &&
legacyresample->prev_duration != GST_CLOCK_TIME_NONE &&
timestamp != legacyresample->prev_ts + legacyresample->prev_duration) {
/* Potentially a discontinuous buffer. However, it turns out that many
* elements generate imperfect streams due to rounding errors, so we permit
* a small error (up to one sample) without triggering a filter
* flush/restart (if triggered incorrectly, this will be audible) */
GstClockTimeDiff diff = timestamp -
(legacyresample->prev_ts + legacyresample->prev_duration);
if (ABS (diff) > GST_SECOND / legacyresample->i_rate) {
GST_WARNING_OBJECT (legacyresample,
"encountered timestamp discontinuity of %" G_GINT64_FORMAT, diff);
return TRUE;
}
}
return FALSE;
}
static GstFlowReturn
legacyresample_transform (GstBaseTransform * base, GstBuffer * inbuf,
GstBuffer * outbuf)
{
GstLegacyresample *legacyresample;
ResampleState *r;
guchar *data, *datacopy;
gulong size;
GstClockTime timestamp;
legacyresample = GST_LEGACYRESAMPLE (base);
r = legacyresample->resample;
data = GST_BUFFER_DATA (inbuf);
size = GST_BUFFER_SIZE (inbuf);
timestamp = GST_BUFFER_TIMESTAMP (inbuf);
GST_LOG_OBJECT (legacyresample, "transforming buffer of %ld bytes, ts %"
GST_TIME_FORMAT ", duration %" GST_TIME_FORMAT ", offset %"
G_GINT64_FORMAT ", offset_end %" G_GINT64_FORMAT,
size, GST_TIME_ARGS (timestamp),
GST_TIME_ARGS (GST_BUFFER_DURATION (inbuf)),
GST_BUFFER_OFFSET (inbuf), GST_BUFFER_OFFSET_END (inbuf));
/* check for timestamp discontinuities and flush/reset if needed */
if (G_UNLIKELY (legacyresample_check_discont (legacyresample, timestamp))) {
/* Flush internal samples */
legacyresample_pushthrough (legacyresample);
/* Inform downstream element about discontinuity */
legacyresample->need_discont = TRUE;
/* We want to recalculate the offset */
legacyresample->ts_offset = -1;
}
if (legacyresample->ts_offset == -1) {
/* if we don't know the initial offset yet, calculate it based on the
* input timestamp. */
if (GST_CLOCK_TIME_IS_VALID (timestamp)) {
GstClockTime stime;
/* offset used to calculate the timestamps. We use the sample offset for
* this to make it more accurate. We want the first buffer to have the
* same timestamp as the incoming timestamp. */
legacyresample->next_ts = timestamp;
legacyresample->ts_offset =
gst_util_uint64_scale_int (timestamp, r->o_rate, GST_SECOND);
/* offset used to set as the buffer offset, this offset is always
* relative to the stream time, note that timestamp is not... */
stime = (timestamp - base->segment.start) + base->segment.time;
legacyresample->offset =
gst_util_uint64_scale_int (stime, r->o_rate, GST_SECOND);
}
}
legacyresample->prev_ts = timestamp;
legacyresample->prev_duration = GST_BUFFER_DURATION (inbuf);
/* need to memdup, resample takes ownership. */
datacopy = g_memdup (data, size);
resample_add_input_data (r, datacopy, size, g_free, datacopy);
return legacyresample_do_output (legacyresample, outbuf);
}
/* push remaining data in the buffers out */
static GstFlowReturn
legacyresample_pushthrough (GstLegacyresample * legacyresample)
{
int outsize;
ResampleState *r;
GstBuffer *outbuf;
GstFlowReturn res = GST_FLOW_OK;
GstBaseTransform *trans;
r = legacyresample->resample;
outsize = resample_get_output_size (r);
if (outsize == 0) {
GST_DEBUG_OBJECT (legacyresample, "no internal buffers needing flush");
goto done;
}
trans = GST_BASE_TRANSFORM (legacyresample);
res = gst_pad_alloc_buffer (trans->srcpad, GST_BUFFER_OFFSET_NONE, outsize,
GST_PAD_CAPS (trans->srcpad), &outbuf);
if (G_UNLIKELY (res != GST_FLOW_OK)) {
GST_WARNING_OBJECT (legacyresample, "failed allocating buffer of %d bytes",
outsize);
goto done;
}
res = legacyresample_do_output (legacyresample, outbuf);
if (G_UNLIKELY (res != GST_FLOW_OK))
goto done;
res = gst_pad_push (trans->srcpad, outbuf);
done:
return res;
}
static gboolean
legacyresample_query (GstPad * pad, GstQuery * query)
{
GstLegacyresample *legacyresample =
GST_LEGACYRESAMPLE (gst_pad_get_parent (pad));
GstBaseTransform *trans = GST_BASE_TRANSFORM (legacyresample);
gboolean res = TRUE;
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_LATENCY:
{
GstClockTime min, max;
gboolean live;
guint64 latency;
GstPad *peer;
gint rate = legacyresample->i_rate;
gint resampler_latency = legacyresample->filter_length / 2;
if (gst_base_transform_is_passthrough (trans))
resampler_latency = 0;
if ((peer = gst_pad_get_peer (trans->sinkpad))) {
if ((res = gst_pad_query (peer, query))) {
gst_query_parse_latency (query, &live, &min, &max);
GST_DEBUG ("Peer latency: min %"
GST_TIME_FORMAT " max %" GST_TIME_FORMAT,
GST_TIME_ARGS (min), GST_TIME_ARGS (max));
/* add our own latency */
if (rate != 0 && resampler_latency != 0)
latency =
gst_util_uint64_scale (resampler_latency, GST_SECOND, rate);
else
latency = 0;
GST_DEBUG ("Our latency: %" GST_TIME_FORMAT, GST_TIME_ARGS (latency));
min += latency;
if (max != GST_CLOCK_TIME_NONE)
max += latency;
GST_DEBUG ("Calculated total latency : min %"
GST_TIME_FORMAT " max %" GST_TIME_FORMAT,
GST_TIME_ARGS (min), GST_TIME_ARGS (max));
gst_query_set_latency (query, live, min, max);
}
gst_object_unref (peer);
}
break;
}
default:
res = gst_pad_query_default (pad, query);
break;
}
gst_object_unref (legacyresample);
return res;
}
static const GstQueryType *
legacyresample_query_type (GstPad * pad)
{
static const GstQueryType types[] = {
GST_QUERY_LATENCY,
0
};
return types;
}
static void
gst_legacyresample_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstLegacyresample *legacyresample;
legacyresample = GST_LEGACYRESAMPLE (object);
switch (prop_id) {
case PROP_FILTERLEN:
legacyresample->filter_length = g_value_get_int (value);
GST_DEBUG_OBJECT (GST_ELEMENT (legacyresample), "new filter length %d",
legacyresample->filter_length);
if (legacyresample->resample) {
resample_set_filter_length (legacyresample->resample,
legacyresample->filter_length);
gst_element_post_message (GST_ELEMENT (legacyresample),
gst_message_new_latency (GST_OBJECT (legacyresample)));
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_legacyresample_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstLegacyresample *legacyresample;
legacyresample = GST_LEGACYRESAMPLE (object);
switch (prop_id) {
case PROP_FILTERLEN:
g_value_set_int (value, legacyresample->filter_length);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
plugin_init (GstPlugin * plugin)
{
resample_init ();
if (!gst_element_register (plugin, "legacyresample", GST_RANK_MARGINAL,
GST_TYPE_LEGACYRESAMPLE)) {
return FALSE;
}
return TRUE;
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
legacyresample,
"Resamples audio", plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME,
GST_PACKAGE_ORIGIN);

79
gst/legacyresample/gstlegacyresample.h
View file

@ -1,79 +0,0 @@
/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __LEGACYRESAMPLE_H__
#define __LEGACYRESAMPLE_H__
#include <gst/gst.h>
#include <gst/base/gstbasetransform.h>
#include "resample.h"
G_BEGIN_DECLS
#define GST_TYPE_LEGACYRESAMPLE \
(gst_legacyresample_get_type())
#define GST_LEGACYRESAMPLE(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_LEGACYRESAMPLE,GstLegacyresample))
#define GST_LEGACYRESAMPLE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_LEGACYRESAMPLE,GstLegacyresampleClass))
#define GST_IS_LEGACYRESAMPLE(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_LEGACYRESAMPLE))
#define GST_IS_LEGACYRESAMPLE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_LEGACYRESAMPLE))
typedef struct _GstLegacyresample GstLegacyresample;
typedef struct _GstLegacyresampleClass GstLegacyresampleClass;
/**
* GstLegacyresample:
*
* Opaque data structure.
*/
struct _GstLegacyresample {
GstBaseTransform element;
GstCaps *srccaps, *sinkcaps;
gboolean passthru;
gboolean need_discont;
guint64 offset;
guint64 ts_offset;
GstClockTime next_ts;
GstClockTime prev_ts, prev_duration;
int channels;
int i_rate;
int o_rate;
int filter_length;
ResampleState * resample;
};
struct _GstLegacyresampleClass {
GstBaseTransformClass parent_class;
};
GType gst_legacyresample_get_type(void);
G_END_DECLS
#endif /* __LEGACYRESAMPLE_H__ */

312
gst/legacyresample/resample.c
View file

@ -1,312 +0,0 @@
/* Resampling library
* Copyright (C) <2001> David A. Schleef <ds@schleef.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include "resample.h"
#include "buffer.h"
#include "debug.h"
GST_DEBUG_CATEGORY (libaudioresample_debug);
void
resample_init (void)
{
static int inited = 0;
if (!inited) {
inited = 1;
GST_DEBUG_CATEGORY_INIT (libaudioresample_debug, "libaudioresample", 0,
"audio resampling library");
}
}
ResampleState *
resample_new (void)
{
ResampleState *r;
r = malloc (sizeof (ResampleState));
memset (r, 0, sizeof (ResampleState));
r->filter_length = 16;
r->i_start = 0;
if (r->filter_length & 1) {
r->o_start = 0;
} else {
r->o_start = r->o_inc * 0.5;
}
r->queue = audioresample_buffer_queue_new ();
r->out_tmp = malloc (10000 * sizeof (double));
r->need_reinit = 1;
return r;
}
void
resample_free (ResampleState * r)
{
if (r->buffer) {
free (r->buffer);
}
if (r->ft) {
functable_free (r->ft);
}
if (r->queue) {
audioresample_buffer_queue_free (r->queue);
}
if (r->out_tmp) {
free (r->out_tmp);
}
free (r);
}
static void
resample_buffer_free (AudioresampleBuffer * buffer, void *priv)
{
if (buffer->priv2) {
((void (*)(void *)) buffer->priv2) (buffer->priv);
}
}
/*
* free_func: a function that frees the given closure. If NULL, caller is
* responsible for freeing.
*/
void
resample_add_input_data (ResampleState * r, void *data, int size,
void (*free_func) (void *), void *closure)
{
AudioresampleBuffer *buffer;
RESAMPLE_DEBUG ("data %p size %d", data, size);
buffer = audioresample_buffer_new_with_data (data, size);
buffer->free = resample_buffer_free;
buffer->priv2 = (void *) free_func;
buffer->priv = closure;
audioresample_buffer_queue_push (r->queue, buffer);
}
void
resample_input_flush (ResampleState * r)
{
RESAMPLE_DEBUG ("flush");
audioresample_buffer_queue_flush (r->queue);
r->buffer_filled = 0;
r->need_reinit = 1;
}
void
resample_input_pushthrough (ResampleState * r)
{
AudioresampleBuffer *buffer;
int filter_bytes;
int buffer_filled;
if (r->sample_size == 0)
return;
filter_bytes = r->filter_length * r->sample_size;
buffer_filled = r->buffer_filled;
RESAMPLE_DEBUG ("pushthrough filter_bytes %d, filled %d",
filter_bytes, buffer_filled);
/* if we have no pending samples, we don't need to do anything. */
if (buffer_filled <= 0)
return;
/* send filter_length/2 number of samples so we can get to the
* last queued samples */
buffer = audioresample_buffer_new_and_alloc (filter_bytes / 2);
memset (buffer->data, 0, buffer->length);
RESAMPLE_DEBUG ("pushthrough %u", buffer->length);
audioresample_buffer_queue_push (r->queue, buffer);
}
void
resample_input_eos (ResampleState * r)
{
RESAMPLE_DEBUG ("EOS");
resample_input_pushthrough (r);
r->eos = 1;
}
int
resample_get_output_size_for_input (ResampleState * r, int size)
{
int outsize;
double outd;
int avail;
int filter_bytes;
int buffer_filled;
if (r->sample_size == 0)
return 0;
filter_bytes = r->filter_length * r->sample_size;
buffer_filled = filter_bytes / 2 - r->buffer_filled / 2;
avail =
audioresample_buffer_queue_get_depth (r->queue) + size - buffer_filled;
RESAMPLE_DEBUG ("avail %d, o_rate %f, i_rate %f, filter_bytes %d, filled %d",
avail, r->o_rate, r->i_rate, filter_bytes, buffer_filled);
if (avail <= 0)
return 0;
outd = (double) avail *r->o_rate / r->i_rate;
outsize = (int) floor (outd);
/* round off for sample size */
outsize -= outsize % r->sample_size;
return outsize;
}
int
resample_get_input_size_for_output (ResampleState * r, int size)
{
int outsize;
double outd;
int avail;
if (r->sample_size == 0)
return 0;
avail = size;
RESAMPLE_DEBUG ("size %d, o_rate %f, i_rate %f", avail, r->o_rate, r->i_rate);
outd = (double) avail *r->i_rate / r->o_rate;
outsize = (int) ceil (outd);
/* round off for sample size */
outsize -= outsize % r->sample_size;
return outsize;
}
int
resample_get_output_size (ResampleState * r)
{
return resample_get_output_size_for_input (r, 0);
}
int
resample_get_output_data (ResampleState * r, void *data, int size)
{
r->o_buf = data;
r->o_size = size;
if (size == 0)
return 0;
switch (r->method) {
case 0:
resample_scale_ref (r);
break;
case 1:
resample_scale_functable (r);
break;
default:
break;
}
return size - r->o_size;
}
void
resample_set_filter_length (ResampleState * r, int length)
{
r->filter_length = length;
r->need_reinit = 1;
}
void
resample_set_input_rate (ResampleState * r, double rate)
{
r->i_rate = rate;
r->need_reinit = 1;
}
void
resample_set_output_rate (ResampleState * r, double rate)
{
r->o_rate = rate;
r->need_reinit = 1;
}
void
resample_set_n_channels (ResampleState * r, int n_channels)
{
r->n_channels = n_channels;
r->sample_size = r->n_channels * resample_format_size (r->format);
r->need_reinit = 1;
}
void
resample_set_format (ResampleState * r, ResampleFormat format)
{
r->format = format;
r->sample_size = r->n_channels * resample_format_size (r->format);
r->need_reinit = 1;
}
void
resample_set_method (ResampleState * r, int method)
{
r->method = method;
r->need_reinit = 1;
}
int
resample_format_size (ResampleFormat format)
{
switch (format) {
case RESAMPLE_FORMAT_S16:
return 2;
case RESAMPLE_FORMAT_S32:
case RESAMPLE_FORMAT_F32:
return 4;
case RESAMPLE_FORMAT_F64:
return 8;
}
return 0;
}

131
gst/legacyresample/resample.h
View file

@ -1,131 +0,0 @@
/* Resampling library
* Copyright (C) <2001> David Schleef <ds@schleef.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __RESAMPLE_H__
#define __RESAMPLE_H__
#include "functable.h"
#include "buffer.h"
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
#ifdef WIN32
#define rint(x) (floor((x)+0.5))
#endif
typedef enum {
RESAMPLE_FORMAT_S16 = 0,
RESAMPLE_FORMAT_S32,
RESAMPLE_FORMAT_F32,
RESAMPLE_FORMAT_F64
} ResampleFormat;
typedef void (*ResampleCallback) (void *);
typedef struct _ResampleState ResampleState;
struct _ResampleState {
/* parameters */
int n_channels;
ResampleFormat format;
int filter_length;
double i_rate;
double o_rate;
int method;
/* internal parameters */
int need_reinit;
double halftaps;
/* filter state */
unsigned char *o_buf;
int o_size;
AudioresampleBufferQueue *queue;
int eos;
int started;
int sample_size;
unsigned char *buffer;
int buffer_len;
int buffer_filled;
double i_start;
double o_start;
double i_inc;
double o_inc;
double sinc_scale;
double i_end;
double o_end;
int i_samples;
int o_samples;
//void *i_buf;
Functable *ft;
double *out_tmp;
};
void resample_init (void);
void resample_cleanup (void);
ResampleState *resample_new (void);
void resample_free (ResampleState *state);
void resample_add_input_data (ResampleState * r, void *data, int size,
ResampleCallback free_func, void *closure);
void resample_input_eos (ResampleState *r);
void resample_input_flush (ResampleState *r);
void resample_input_pushthrough (ResampleState *r);
int resample_get_output_size_for_input (ResampleState * r, int size);
int resample_get_input_size_for_output (ResampleState * r, int size);
int resample_get_output_size (ResampleState *r);
int resample_get_output_data (ResampleState *r, void *data, int size);
void resample_set_filter_length (ResampleState *r, int length);
void resample_set_input_rate (ResampleState *r, double rate);
void resample_set_output_rate (ResampleState *r, double rate);
void resample_set_n_channels (ResampleState *r, int n_channels);
void resample_set_format (ResampleState *r, ResampleFormat format);
void resample_set_method (ResampleState *r, int method);
int resample_format_size (ResampleFormat format);
void resample_scale_ref (ResampleState * r);
void resample_scale_functable (ResampleState * r);
#endif /* __RESAMPLE_H__ */

274
gst/legacyresample/resample_functable.c
View file

@ -1,274 +0,0 @@
/* Resampling library
* Copyright (C) <2001> David A. Schleef <ds@schleef.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include <gst/math-compat.h>
#include "_stdint.h"
#include "resample.h"
#include "buffer.h"
#include "debug.h"
static void
func_sinc (double *fx, double *dfx, double x, void *closure)
{
//double scale = *(double *)closure;
double scale = M_PI;
if (x == 0) {
*fx = 1;
*dfx = 0;
return;
}
x *= scale;
*fx = sin (x) / x;
*dfx = scale * (cos (x) - sin (x) / x) / x;
}
static void
func_hanning (double *fx, double *dfx, double x, void *closure)
{
double width = *(double *) closure;
if (x < width && x > -width) {
x /= width;
*fx = (1 - x * x) * (1 - x * x);
*dfx = -2 * 2 * x / width * (1 - x * x);
} else {
*fx = 0;
*dfx = 0;
}
}
#if 0
static double
resample_sinc_window (double x, double halfwidth, double scale)
{
double y;
if (x == 0)
return 1.0;
if (x < -halfwidth || x > halfwidth)
return 0.0;
y = sin (x * M_PI * scale) / (x * M_PI * scale) * scale;
x /= halfwidth;
y *= (1 - x * x) * (1 - x * x);
return y;
}
#endif
#if 0
static void
functable_test (Functable * ft, double halfwidth)
{
int i;
double x;
for (i = 0; i < 100; i++) {
x = i * 0.1;
printf ("%d %g %g\n", i, resample_sinc_window (x, halfwidth, 1.0),
functable_evaluate (ft, x));
}
exit (0);
}
#endif
void
resample_scale_functable (ResampleState * r)
{
if (r->need_reinit) {
double hanning_width;
RESAMPLE_DEBUG ("sample size %d", r->sample_size);
if (r->buffer)
free (r->buffer);
r->buffer_len = r->sample_size * r->filter_length;
r->buffer = malloc (r->buffer_len);
memset (r->buffer, 0, r->buffer_len);
r->i_inc = r->o_rate / r->i_rate;
r->o_inc = r->i_rate / r->o_rate;
RESAMPLE_DEBUG ("i_inc %g o_inc %g", r->i_inc, r->o_inc);
r->i_start = -r->i_inc * r->filter_length;
if (r->ft) {
functable_free (r->ft);
}
r->ft = functable_new ();
functable_set_length (r->ft, r->filter_length * 16);
functable_set_offset (r->ft, -r->filter_length / 2);
functable_set_multiplier (r->ft, 1 / 16.0);
hanning_width = r->filter_length / 2;
functable_calculate (r->ft, func_sinc, NULL);
functable_calculate_multiply (r->ft, func_hanning, &hanning_width);
//functable_test(r->ft, 0.5 * r->filter_length);
#if 0
if (r->i_inc < 1.0) {
r->sinc_scale = r->i_inc;
if (r->sinc_scale == 0.5) {
/* strange things happen at integer multiples */
r->sinc_scale = 1.0;
}
} else {
r->sinc_scale = 1.0;
}
#else
r->sinc_scale = 1.0;
#endif
r->need_reinit = 0;
}
while (r->o_size > 0) {
double midpoint;
int i;
int j;
RESAMPLE_DEBUG ("i_start %g", r->i_start);
midpoint = r->i_start + (r->filter_length - 1) * 0.5 * r->i_inc;
if (midpoint > 0.5 * r->i_inc) {
RESAMPLE_ERROR ("inconsistent state");
}
while (midpoint < -0.5 * r->i_inc) {
AudioresampleBuffer *buffer;
buffer = audioresample_buffer_queue_pull (r->queue, r->sample_size);
if (buffer == NULL) {
RESAMPLE_ERROR ("buffer_queue_pull returned NULL");
return;
}
r->i_start += r->i_inc;
RESAMPLE_DEBUG ("pulling (i_start = %g)", r->i_start);
midpoint += r->i_inc;
memmove (r->buffer, r->buffer + r->sample_size,
r->buffer_len - r->sample_size);
memcpy (r->buffer + r->buffer_len - r->sample_size, buffer->data,
r->sample_size);
audioresample_buffer_unref (buffer);
}
switch (r->format) {
case RESAMPLE_FORMAT_S16:
for (i = 0; i < r->n_channels; i++) {
double acc = 0;
double offset;
double x;
for (j = 0; j < r->filter_length; j++) {
offset = (r->i_start + j * r->i_inc) * r->o_inc;
x = *(int16_t *) (r->buffer + i * sizeof (int16_t) +
j * r->sample_size);
acc += functable_evaluate (r->ft, offset) * x;
//acc += resample_sinc_window (offset, r->filter_length * 0.5, r->sinc_scale) * x;
}
if (acc < -32768.0)
acc = -32768.0;
if (acc > 32767.0)
acc = 32767.0;
*(int16_t *) (r->o_buf + i * sizeof (int16_t)) = rint (acc);
}
break;
case RESAMPLE_FORMAT_S32:
for (i = 0; i < r->n_channels; i++) {
double acc = 0;
double offset;
double x;
for (j = 0; j < r->filter_length; j++) {
offset = (r->i_start + j * r->i_inc) * r->o_inc;
x = *(int32_t *) (r->buffer + i * sizeof (int32_t) +
j * r->sample_size);
acc += functable_evaluate (r->ft, offset) * x;
//acc += resample_sinc_window (offset, r->filter_length * 0.5, r->sinc_scale) * x;
}
if (acc < -2147483648.0)
acc = -2147483648.0;
if (acc > 2147483647.0)
acc = 2147483647.0;
*(int32_t *) (r->o_buf + i * sizeof (int32_t)) = rint (acc);
}
break;
case RESAMPLE_FORMAT_F32:
for (i = 0; i < r->n_channels; i++) {
double acc = 0;
double offset;
double x;
for (j = 0; j < r->filter_length; j++) {
offset = (r->i_start + j * r->i_inc) * r->o_inc;
x = *(float *) (r->buffer + i * sizeof (float) +
j * r->sample_size);
acc += functable_evaluate (r->ft, offset) * x;
//acc += resample_sinc_window (offset, r->filter_length * 0.5, r->sinc_scale) * x;
}
*(float *) (r->o_buf + i * sizeof (float)) = acc;
}
break;
case RESAMPLE_FORMAT_F64:
for (i = 0; i < r->n_channels; i++) {
double acc = 0;
double offset;
double x;
for (j = 0; j < r->filter_length; j++) {
offset = (r->i_start + j * r->i_inc) * r->o_inc;
x = *(double *) (r->buffer + i * sizeof (double) +
j * r->sample_size);
acc += functable_evaluate (r->ft, offset) * x;
//acc += resample_sinc_window (offset, r->filter_length * 0.5, r->sinc_scale) * x;
}
*(double *) (r->o_buf + i * sizeof (double)) = acc;
}
break;
}
r->i_start -= 1.0;
r->o_buf += r->sample_size;
r->o_size -= r->sample_size;
}
}

224
gst/legacyresample/resample_ref.c
View file

@ -1,224 +0,0 @@
/* Resampling library
* Copyright (C) <2001> David A. Schleef <ds@schleef.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include <gst/math-compat.h>
#include "_stdint.h"
#include "resample.h"
#include "buffer.h"
#include "debug.h"
static double
resample_sinc_window (double x, double halfwidth, double scale)
{
double y;
if (x == 0)
return 1.0;
if (x < -halfwidth || x > halfwidth)
return 0.0;
y = sin (x * M_PI * scale) / (x * M_PI * scale) * scale;
x /= halfwidth;
y *= (1 - x * x) * (1 - x * x);
return y;
}
void
resample_scale_ref (ResampleState * r)
{
if (r->need_reinit) {
RESAMPLE_DEBUG ("sample size %d", r->sample_size);
if (r->buffer)
free (r->buffer);
r->buffer_len = r->sample_size * r->filter_length;
r->buffer = malloc (r->buffer_len);
memset (r->buffer, 0, r->buffer_len);
r->buffer_filled = 0;
r->i_inc = r->o_rate / r->i_rate;
r->o_inc = r->i_rate / r->o_rate;
RESAMPLE_DEBUG ("i_inc %g o_inc %g", r->i_inc, r->o_inc);
r->i_start = -r->i_inc * r->filter_length;
r->need_reinit = 0;
#if 0
if (r->i_inc < 1.0) {
r->sinc_scale = r->i_inc;
if (r->sinc_scale == 0.5) {
/* strange things happen at integer multiples */
r->sinc_scale = 1.0;
}
} else {
r->sinc_scale = 1.0;
}
#else
r->sinc_scale = 1.0;
#endif
}
RESAMPLE_DEBUG ("asked to resample %d bytes", r->o_size);
RESAMPLE_DEBUG ("%d bytes in queue",
audioresample_buffer_queue_get_depth (r->queue));
while (r->o_size >= r->sample_size) {
double midpoint;
int i;
int j;
midpoint = r->i_start + (r->filter_length - 1) * 0.5 * r->i_inc;
RESAMPLE_DEBUG
("still need to output %d bytes, %d input left, i_start %g, midpoint %f",
r->o_size, audioresample_buffer_queue_get_depth (r->queue), r->i_start,
midpoint);
if (midpoint > 0.5 * r->i_inc) {
RESAMPLE_ERROR ("inconsistent state");
}
while (midpoint < -0.5 * r->i_inc) {
AudioresampleBuffer *buffer;
RESAMPLE_DEBUG ("midpoint %f < %f, r->i_inc %f", midpoint,
-0.5 * r->i_inc, r->i_inc);
buffer = audioresample_buffer_queue_pull (r->queue, r->sample_size);
if (buffer == NULL) {
/* FIXME: for the first buffer, this isn't necessarily an error,
* since because of the filter length we'll output less buffers.
* deal with that so we don't print to console */
RESAMPLE_ERROR ("buffer_queue_pull returned NULL");
return;
}
r->i_start += r->i_inc;
RESAMPLE_DEBUG ("pulling (i_start = %g)", r->i_start);
midpoint += r->i_inc;
memmove (r->buffer, r->buffer + r->sample_size,
r->buffer_len - r->sample_size);
memcpy (r->buffer + r->buffer_len - r->sample_size, buffer->data,
r->sample_size);
r->buffer_filled = MIN (r->buffer_filled + r->sample_size, r->buffer_len);
audioresample_buffer_unref (buffer);
}
switch (r->format) {
case RESAMPLE_FORMAT_S16:
for (i = 0; i < r->n_channels; i++) {
double acc = 0;
double offset;
double x;
for (j = 0; j < r->filter_length; j++) {
offset = (r->i_start + j * r->i_inc) * r->o_inc;
x = *(int16_t *) (r->buffer + i * sizeof (int16_t) +
j * r->sample_size);
acc +=
resample_sinc_window (offset, r->filter_length * 0.5,
r->sinc_scale) * x;
}
if (acc < -32768.0)
acc = -32768.0;
if (acc > 32767.0)
acc = 32767.0;
*(int16_t *) (r->o_buf + i * sizeof (int16_t)) = rint (acc);
}
break;
case RESAMPLE_FORMAT_S32:
for (i = 0; i < r->n_channels; i++) {
double acc = 0;
double offset;
double x;
for (j = 0; j < r->filter_length; j++) {
offset = (r->i_start + j * r->i_inc) * r->o_inc;
x = *(int32_t *) (r->buffer + i * sizeof (int32_t) +
j * r->sample_size);
acc +=
resample_sinc_window (offset, r->filter_length * 0.5,
r->sinc_scale) * x;
}
if (acc < -2147483648.0)
acc = -2147483648.0;
if (acc > 2147483647.0)
acc = 2147483647.0;
*(int32_t *) (r->o_buf + i * sizeof (int32_t)) = rint (acc);
}
break;
case RESAMPLE_FORMAT_F32:
for (i = 0; i < r->n_channels; i++) {
double acc = 0;
double offset;
double x;
for (j = 0; j < r->filter_length; j++) {
offset = (r->i_start + j * r->i_inc) * r->o_inc;
x = *(float *) (r->buffer + i * sizeof (float) +
j * r->sample_size);
acc +=
resample_sinc_window (offset, r->filter_length * 0.5,
r->sinc_scale) * x;
}
*(float *) (r->o_buf + i * sizeof (float)) = acc;
}
break;
case RESAMPLE_FORMAT_F64:
for (i = 0; i < r->n_channels; i++) {
double acc = 0;
double offset;
double x;
for (j = 0; j < r->filter_length; j++) {
offset = (r->i_start + j * r->i_inc) * r->o_inc;
x = *(double *) (r->buffer + i * sizeof (double) +
j * r->sample_size);
acc +=
resample_sinc_window (offset, r->filter_length * 0.5,
r->sinc_scale) * x;
}
*(double *) (r->o_buf + i * sizeof (double)) = acc;
}
break;
}
r->i_start -= 1.0;
r->o_buf += r->sample_size;
r->o_size -= r->sample_size;
}
}

8
tests/check/Makefile.am
View file

@ -193,7 +193,6 @@ check_PROGRAMS = \
elements/baseaudiovisualizer \
elements/camerabin \
elements/dataurisrc \
elements/legacyresample \
$(check_jifmux) \
elements/jpegparse \
$(check_logoinsert) \
@ -286,13 +285,6 @@ elements_faac_LDADD = \
$(GST_PLUGINS_BASE_LIBS) $(GST_BASE_LIBS) $(GST_LIBS) $(LDADD) \
-lgstaudio-@GST_API_VERSION@
elements_legacyresample_CFLAGS = \
$(GST_PLUGINS_BASE_CFLAGS) \
$(GST_BASE_CFLAGS) $(GST_CFLAGS) $(AM_CFLAGS)
elements_legacyresample_LDADD = \
$(GST_PLUGINS_BASE_LIBS) $(GST_BASE_LIBS) $(GST_LIBS) $(LDADD) \
-lgstaudio-@GST_API_VERSION@
elements_voaacenc_CFLAGS = \
$(GST_PLUGINS_BASE_CFLAGS) \
$(GST_BASE_CFLAGS) $(GST_CFLAGS) $(AM_CFLAGS)

574
tests/check/elements/legacyresample.c
View file

@ -1,574 +0,0 @@
/* GStreamer
*
* unit test for legacyresample
*
* Copyright (C) <2005> Thomas Vander Stichele <thomas at apestaart dot org>
* Copyright (C) <2006> Tim-Philipp Müller <tim at centricular net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <unistd.h>
#include <gst/check/gstcheck.h>
#include <gst/audio/audio.h>
/* For ease of programming we use globals to keep refs for our floating
* src and sink pads we create; otherwise we always have to do get_pad,
* get_peer, and then remove references in every test function */
static GstPad *mysrcpad, *mysinkpad;
#define RESAMPLE_CAPS_TEMPLATE_STRING \
"audio/x-raw, " \
"format = (string) " GST_AUDIO_NE (S16) ", " \
"channels = (int) [ 1, MAX ], " \
"rate = (int) [ 1, MAX ]"
static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (RESAMPLE_CAPS_TEMPLATE_STRING)
);
static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (RESAMPLE_CAPS_TEMPLATE_STRING)
);
static GstElement *
setup_legacyresample (int channels, int inrate, int outrate)
{
GstElement *legacyresample;
GstCaps *caps;
GstStructure *structure;
GST_DEBUG ("setup_legacyresample");
legacyresample = gst_check_setup_element ("legacyresample");
caps = gst_caps_from_string (RESAMPLE_CAPS_TEMPLATE_STRING);
structure = gst_caps_get_structure (caps, 0);
gst_structure_set (structure, "channels", G_TYPE_INT, channels,
"rate", G_TYPE_INT, inrate, NULL);
fail_unless (gst_caps_is_fixed (caps));
fail_unless (gst_element_set_state (legacyresample,
GST_STATE_PAUSED) == GST_STATE_CHANGE_SUCCESS,
"could not set to paused");
mysrcpad = gst_check_setup_src_pad (legacyresample, &srctemplate);
gst_pad_set_active (mysrcpad, TRUE);
fail_unless (gst_pad_set_caps (mysrcpad, caps));
gst_caps_unref (caps);
caps = gst_caps_from_string (RESAMPLE_CAPS_TEMPLATE_STRING);
structure = gst_caps_get_structure (caps, 0);
gst_structure_set (structure, "channels", G_TYPE_INT, channels,
"rate", G_TYPE_INT, outrate, NULL);
fail_unless (gst_caps_is_fixed (caps));
mysinkpad = gst_check_setup_sink_pad (legacyresample, &sinktemplate);
gst_pad_set_active (mysinkpad, TRUE);
/* this installs a getcaps func that will always return the caps we set
* later */
fail_unless (gst_pad_set_caps (mysinkpad, caps));
gst_pad_use_fixed_caps (mysinkpad);
gst_caps_unref (caps);
return legacyresample;
}
static void
cleanup_legacyresample (GstElement * legacyresample)
{
GST_DEBUG ("cleanup_legacyresample");
fail_unless (gst_element_set_state (legacyresample,
GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to NULL");
gst_pad_set_active (mysrcpad, FALSE);
gst_pad_set_active (mysinkpad, FALSE);
gst_check_teardown_src_pad (legacyresample);
gst_check_teardown_sink_pad (legacyresample);
gst_check_teardown_element (legacyresample);
}
static void
fail_unless_perfect_stream (void)
{
guint64 timestamp = 0L, duration = 0L;
guint64 offset = 0L, offset_end = 0L;
GList *l;
GstBuffer *buffer;
for (l = buffers; l; l = l->next) {
buffer = GST_BUFFER (l->data);
ASSERT_BUFFER_REFCOUNT (buffer, "buffer", 1);
GST_DEBUG ("buffer timestamp %" G_GUINT64_FORMAT ", duration %"
G_GUINT64_FORMAT " offset %" G_GUINT64_FORMAT " offset_end %"
G_GUINT64_FORMAT,
GST_BUFFER_TIMESTAMP (buffer),
GST_BUFFER_DURATION (buffer),
GST_BUFFER_OFFSET (buffer), GST_BUFFER_OFFSET_END (buffer));
fail_unless_equals_uint64 (timestamp, GST_BUFFER_TIMESTAMP (buffer));
fail_unless_equals_uint64 (offset, GST_BUFFER_OFFSET (buffer));
duration = GST_BUFFER_DURATION (buffer);
offset_end = GST_BUFFER_OFFSET_END (buffer);
timestamp += duration;
offset = offset_end;
gst_buffer_unref (buffer);
}
g_list_free (buffers);
buffers = NULL;
}
/* this tests that the output is a perfect stream if the input is */
static void
test_perfect_stream_instance (int inrate, int outrate, int samples,
int numbuffers)
{
GstElement *legacyresample;
GstBuffer *inbuffer, *outbuffer;
GstCaps *caps;
guint64 offset = 0;
int i, j;
gint16 *p;
legacyresample = setup_legacyresample (2, inrate, outrate);
caps = gst_pad_get_current_caps (mysrcpad);
fail_unless (gst_caps_is_fixed (caps));
fail_unless (gst_element_set_state (legacyresample,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
for (j = 1; j <= numbuffers; ++j) {
GstMapInfo map;
inbuffer = gst_buffer_new_and_alloc (samples * 4);
GST_BUFFER_DURATION (inbuffer) = samples * GST_SECOND / inrate;
GST_BUFFER_TIMESTAMP (inbuffer) = GST_BUFFER_DURATION (inbuffer) * (j - 1);
GST_BUFFER_OFFSET (inbuffer) = offset;
offset += samples;
GST_BUFFER_OFFSET_END (inbuffer) = offset;
gst_buffer_map (inbuffer, &map, GST_MAP_WRITE);
p = (gint16 *) map.data;
/* create a 16 bit signed ramp */
for (i = 0; i < samples; ++i) {
*p = -32767 + i * (65535 / samples);
++p;
*p = -32767 + i * (65535 / samples);
++p;
}
gst_buffer_unmap (inbuffer, &map);
/* pushing gives away my reference ... */
fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
/* ... but it ends up being collected on the global buffer list */
fail_unless_equals_int (g_list_length (buffers), j);
}
/* FIXME: we should make legacyresample handle eos by flushing out the last
* samples, which will give us one more, small, buffer */
fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 1);
fail_unless_perfect_stream ();
/* cleanup */
gst_caps_unref (caps);
cleanup_legacyresample (legacyresample);
}
/* make sure that outgoing buffers are contiguous in timestamp/duration and
* offset/offsetend
*/
GST_START_TEST (test_perfect_stream)
{
/* integral scalings */
test_perfect_stream_instance (48000, 24000, 500, 20);
test_perfect_stream_instance (48000, 12000, 500, 20);
test_perfect_stream_instance (12000, 24000, 500, 20);
test_perfect_stream_instance (12000, 48000, 500, 20);
/* non-integral scalings */
test_perfect_stream_instance (44100, 8000, 500, 20);
test_perfect_stream_instance (8000, 44100, 500, 20);
/* wacky scalings */
test_perfect_stream_instance (12345, 54321, 500, 20);
test_perfect_stream_instance (101, 99, 500, 20);
}
GST_END_TEST;
/* this tests that the output is a correct discontinuous stream
* if the input is; ie input drops in time come out the same way */
static void
test_discont_stream_instance (int inrate, int outrate, int samples,
int numbuffers)
{
GstElement *legacyresample;
GstBuffer *inbuffer, *outbuffer;
GstCaps *caps;
GstClockTime ints;
int i, j;
gint16 *p;
GST_DEBUG ("inrate:%d outrate:%d samples:%d numbuffers:%d",
inrate, outrate, samples, numbuffers);
legacyresample = setup_legacyresample (2, inrate, outrate);
caps = gst_pad_get_current_caps (mysrcpad);
fail_unless (gst_caps_is_fixed (caps));
fail_unless (gst_element_set_state (legacyresample,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
for (j = 1; j <= numbuffers; ++j) {
GstMapInfo map;
inbuffer = gst_buffer_new_and_alloc (samples * 4);
GST_BUFFER_DURATION (inbuffer) = samples * GST_SECOND / inrate;
/* "drop" half the buffers */
ints = GST_BUFFER_DURATION (inbuffer) * 2 * (j - 1);
GST_BUFFER_TIMESTAMP (inbuffer) = ints;
GST_BUFFER_OFFSET (inbuffer) = (j - 1) * 2 * samples;
GST_BUFFER_OFFSET_END (inbuffer) = j * 2 * samples + samples;
gst_buffer_map (inbuffer, &map, GST_MAP_WRITE);
p = (gint16 *) map.data;
/* create a 16 bit signed ramp */
for (i = 0; i < samples; ++i) {
*p = -32767 + i * (65535 / samples);
++p;
*p = -32767 + i * (65535 / samples);
++p;
}
gst_buffer_unmap (inbuffer, &map);
GST_DEBUG ("Sending Buffer time:%" G_GUINT64_FORMAT " duration:%"
G_GINT64_FORMAT " discont:%d offset:%" G_GUINT64_FORMAT " offset_end:%"
G_GUINT64_FORMAT, GST_BUFFER_TIMESTAMP (inbuffer),
GST_BUFFER_DURATION (inbuffer), GST_BUFFER_IS_DISCONT (inbuffer),
GST_BUFFER_OFFSET (inbuffer), GST_BUFFER_OFFSET_END (inbuffer));
/* pushing gives away my reference ... */
fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
/* check if the timestamp of the pushed buffer matches the incoming one */
outbuffer = g_list_nth_data (buffers, g_list_length (buffers) - 1);
fail_if (outbuffer == NULL);
fail_unless_equals_uint64 (ints, GST_BUFFER_TIMESTAMP (outbuffer));
GST_DEBUG ("Got Buffer time:%" G_GUINT64_FORMAT " duration:%"
G_GINT64_FORMAT " discont:%d offset:%" G_GUINT64_FORMAT " offset_end:%"
G_GUINT64_FORMAT, GST_BUFFER_TIMESTAMP (outbuffer),
GST_BUFFER_DURATION (outbuffer), GST_BUFFER_IS_DISCONT (outbuffer),
GST_BUFFER_OFFSET (outbuffer), GST_BUFFER_OFFSET_END (outbuffer));
if (j > 1) {
fail_unless (GST_BUFFER_IS_DISCONT (outbuffer),
"expected discont for buffer #%d", j);
}
}
/* cleanup */
gst_caps_unref (caps);
cleanup_legacyresample (legacyresample);
}
GST_START_TEST (test_discont_stream)
{
/* integral scalings */
test_discont_stream_instance (48000, 24000, 500, 20);
test_discont_stream_instance (48000, 12000, 500, 20);
test_discont_stream_instance (12000, 24000, 500, 20);
test_discont_stream_instance (12000, 48000, 500, 20);
/* non-integral scalings */
test_discont_stream_instance (44100, 8000, 500, 20);
test_discont_stream_instance (8000, 44100, 500, 20);
/* wacky scalings */
test_discont_stream_instance (12345, 54321, 500, 20);
test_discont_stream_instance (101, 99, 500, 20);
}
GST_END_TEST;
GST_START_TEST (test_reuse)
{
GstElement *legacyresample;
GstEvent *newseg;
GstBuffer *inbuffer;
GstCaps *caps;
GstSegment seg;
legacyresample = setup_legacyresample (1, 9343, 48000);
caps = gst_pad_get_current_caps (mysrcpad);
fail_unless (gst_caps_is_fixed (caps));
fail_unless (gst_element_set_state (legacyresample,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
gst_segment_init (&seg, GST_FORMAT_TIME);
newseg = gst_event_new_segment (&seg);
fail_unless (gst_pad_push_event (mysrcpad, newseg) != FALSE);
inbuffer = gst_buffer_new_and_alloc (9343 * 4);
gst_buffer_memset (inbuffer, 0, 0, -1);
GST_BUFFER_DURATION (inbuffer) = GST_SECOND;
GST_BUFFER_TIMESTAMP (inbuffer) = 0;
GST_BUFFER_OFFSET (inbuffer) = 0;
/* pushing gives away my reference ... */
fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
/* ... but it ends up being collected on the global buffer list */
fail_unless_equals_int (g_list_length (buffers), 1);
/* now reset and try again ... */
fail_unless (gst_element_set_state (legacyresample,
GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to NULL");
fail_unless (gst_element_set_state (legacyresample,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
gst_segment_init (&seg, GST_FORMAT_TIME);
newseg = gst_event_new_segment (&seg);
fail_unless (gst_pad_push_event (mysrcpad, newseg) != FALSE);
inbuffer = gst_buffer_new_and_alloc (9343 * 4);
gst_buffer_memset (inbuffer, 0, 0, -1);
GST_BUFFER_DURATION (inbuffer) = GST_SECOND;
GST_BUFFER_TIMESTAMP (inbuffer) = 0;
GST_BUFFER_OFFSET (inbuffer) = 0;
fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
/* ... it also ends up being collected on the global buffer list. If we
* now have more than 2 buffers, then legacyresample probably didn't clean
* up its internal buffer properly and tried to push the remaining samples
* when it got the second NEWSEGMENT event */
fail_unless_equals_int (g_list_length (buffers), 2);
cleanup_legacyresample (legacyresample);
gst_caps_unref (caps);
}
GST_END_TEST;
GST_START_TEST (test_shutdown)
{
GstElement *pipeline, *src, *cf1, *ar, *cf2, *sink;
GstCaps *caps;
guint i;
/* create pipeline, force legacyresample to actually resample */
pipeline = gst_pipeline_new (NULL);
src = gst_check_setup_element ("audiotestsrc");
cf1 = gst_check_setup_element ("capsfilter");
ar = gst_check_setup_element ("legacyresample");
cf2 = gst_check_setup_element ("capsfilter");
g_object_set (cf2, "name", "capsfilter2", NULL);
sink = gst_check_setup_element ("fakesink");
caps =
gst_caps_new_simple ("audio/x-raw-int", "rate", G_TYPE_INT, 11025, NULL);
g_object_set (cf1, "caps", caps, NULL);
gst_caps_unref (caps);
caps =
gst_caps_new_simple ("audio/x-raw-int", "rate", G_TYPE_INT, 48000, NULL);
g_object_set (cf2, "caps", caps, NULL);
gst_caps_unref (caps);
/* don't want to sync against the clock, the more throughput the better */
g_object_set (src, "is-live", FALSE, NULL);
g_object_set (sink, "sync", FALSE, NULL);
gst_bin_add_many (GST_BIN (pipeline), src, cf1, ar, cf2, sink, NULL);
fail_if (!gst_element_link_many (src, cf1, ar, cf2, sink, NULL));
/* now, wait until pipeline is running and then shut it down again; repeat */
for (i = 0; i < 20; ++i) {
gst_element_set_state (pipeline, GST_STATE_PAUSED);
gst_element_get_state (pipeline, NULL, NULL, -1);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
g_usleep (100);
gst_element_set_state (pipeline, GST_STATE_NULL);
}
gst_object_unref (pipeline);
}
GST_END_TEST;
#if 0
static GstFlowReturn
live_switch_alloc_only_48000 (GstPad * pad, guint64 offset,
guint size, GstCaps * caps, GstBuffer ** buf)
{
GstStructure *structure;
gint rate;
gint channels;
GstCaps *desired;
structure = gst_caps_get_structure (caps, 0);
fail_unless (gst_structure_get_int (structure, "rate", &rate));
fail_unless (gst_structure_get_int (structure, "channels", &channels));
if (rate < 48000)
return GST_FLOW_NOT_NEGOTIATED;
desired = gst_caps_copy (caps);
gst_caps_set_simple (desired, "rate", G_TYPE_INT, 48000, NULL);
*buf = gst_buffer_new_and_alloc (channels * 48000);
gst_buffer_set_caps (*buf, desired);
gst_caps_unref (desired);
return GST_FLOW_OK;
}
static GstCaps *
live_switch_get_sink_caps (GstPad * pad)
{
GstCaps *result;
result = gst_caps_copy (GST_PAD_CAPS (pad));
gst_caps_set_simple (result,
"rate", GST_TYPE_INT_RANGE, 48000, G_MAXINT, NULL);
return result;
}
static void
live_switch_push (int rate, GstCaps * caps)
{
GstBuffer *inbuffer;
GstCaps *desired;
GList *l;
desired = gst_caps_copy (caps);
gst_caps_set_simple (desired, "rate", G_TYPE_INT, rate, NULL);
fail_unless (gst_pad_alloc_buffer_and_set_caps (mysrcpad,
GST_BUFFER_OFFSET_NONE, rate * 4, desired, &inbuffer) == GST_FLOW_OK);
/* When the basetransform hits the non-configured case it always
* returns a buffer with exactly the same caps as we requested so the actual
* renegotiation (if needed) will be done in the _chain*/
fail_unless (inbuffer != NULL);
fail_unless (gst_caps_is_equal (desired, GST_BUFFER_CAPS (inbuffer)));
gst_buffer_memset (inbuffer, 0, 0, -1);
GST_BUFFER_DURATION (inbuffer) = GST_SECOND;
GST_BUFFER_TIMESTAMP (inbuffer) = 0;
GST_BUFFER_OFFSET (inbuffer) = 0;
/* pushing gives away my reference ... */
fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
/* ... but it ends up being collected on the global buffer list */
fail_unless_equals_int (g_list_length (buffers), 1);
for (l = buffers; l; l = l->next) {
GstBuffer *buffer = GST_BUFFER (l->data);
gst_buffer_unref (buffer);
}
g_list_free (buffers);
buffers = NULL;
gst_caps_unref (desired);
}
GST_START_TEST (test_live_switch)
{
GstElement *legacyresample;
GstEvent *newseg;
GstCaps *caps;
legacyresample = setup_legacyresample (4, 48000, 48000);
/* Let the sinkpad act like something that can only handle things of
* rate 48000- and can only allocate buffers for that rate, but if someone
* tries to get a buffer with a rate higher then 48000 tries to renegotiate
* */
gst_pad_set_bufferalloc_function (mysinkpad, live_switch_alloc_only_48000);
gst_pad_set_getcaps_function (mysinkpad, live_switch_get_sink_caps);
caps = gst_pad_get_negotiated_caps (mysrcpad);
fail_unless (gst_caps_is_fixed (caps));
fail_unless (gst_element_set_state (legacyresample,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
newseg = gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME, 0, -1, 0);
fail_unless (gst_pad_push_event (mysrcpad, newseg) != FALSE);
/* downstream can provide the requested rate, a buffer alloc will be passed
* on */
live_switch_push (48000, caps);
/* Downstream can never accept this rate, buffer alloc isn't passed on */
live_switch_push (40000, caps);
/* Downstream can provide the requested rate but will re-negotiate */
live_switch_push (50000, caps);
cleanup_legacyresample (legacyresample);
gst_caps_unref (caps);
}
GST_END_TEST
#endif
static Suite *
legacyresample_suite (void)
{
Suite *s = suite_create ("legacyresample");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_perfect_stream);
tcase_add_test (tc_chain, test_discont_stream);
tcase_add_test (tc_chain, test_reuse);
tcase_add_test (tc_chain, test_shutdown);
#if 0
tcase_add_test (tc_chain, test_live_switch);
#endif
return s;
}
GST_CHECK_MAIN (legacyresample);